<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        const twoSum = ()=>{
        console.log(name,'----');

}
    var name = 'likou';

    const obj = {
        name:'leetcode',
        twoSum

    
}//箭头函数
obj.twoSum();
    </script>
</body>
</html>